nereid

noun

1. any elongate cylindrical worm of the polychaete family Nereididae, including clamworms.

adjective

2. of or relating to the family Nereididae.

noun

1. (sometimes lowercase) Classical Mythology. any of the 50 daughters of Nereus; a sea nymph.
2. Astronomy. a moon of the planet Neptune.

noun plural Nereides (nəˈriːəˌdiːz)

1. Greek myth any of the 50 sea nymphs who were the daughters of the sea god Nereus

noun

1. a satellite of the planet Neptune, in a large and highly eccentric orbit

“sea-nymph,” 1510s, from Greek Nereis (genitive Nereidos), daughter of the ancient sea-god Nereus, whose name is related to naros “flowing, liquid, I flow” (see naiad).